title: No significant relationship between age and frequency of chromosome lesions in mentally retarded individuals with or without the fragile X syndrome.
authors.affiliation: Department of Pediatrics, Vanderbilt University School of Medicine, Nashville, TN 37232.
authors.forename: M G
authors.initials: MG
authors.lastname: Butler
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D000375:Aging / Q000235:genetics*; D002648:Child; D002675:Child, Preschool; D002869:Chromosome Aberrations; D005600:Fragile X Syndrome / Q000150:complications / Q000235:genetics*; D006801:Humans; D008607:Intellectual Disability / Q000150:complications / Q000235:genetics*; D008214:Lymphocytes / Q000648:ultrastructure; D008875:Middle Aged; D012729:Sex Chromosome Aberrations / Q000235:genetics*